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Picture of Parker 4KM-RL4A-KZT-SS-KB - Relief Valves, 6,000 PSI - R Series

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Parker 4KM-RL4A-KZT-SS-KB - Relief Valves, 6,000 PSI - R Series

Parker's R Series Relief Valves are designed such that when the upstream pressure exceeds the closing force exerted by the spring, the lower stem opens, permitting flow through the valve. Pressures range from 10 PSI (0.7 BAR) to 6,000 PSI (413.7 BAR).
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Brand Parker
Part No. 4KM-RL4A-KZT-SS-KB
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Products specifications
Attribute nameAttribute value
Connection Size1/4Connection 2 Size1/4
Maximum Operating Temperature93Minimum Operating Temperature-29
Materials of ConstructionStainless Steel 316DivisionInstrumentation Products Division
Actuation TypeStandardPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Back-Up Washer MaterialPTFEFlow Coefficient0.75
Cracking Pressure25 to 50Maximum Operating Pressure54
Connection 1 SizeBSP MConnection Size1/4"
Material316 Stainless SteelConnection Size 21/4"
ActuationStandardPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Cracking Pressure (psi)25 - 50Connection 1 StyleBSP M
Connection 2 StyleBSP M
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